The energy of a person sends out rays, lines of connective radiance. The connection is multi-fold as well as internal and external. The points of connectivity and lines of energy create a matrix, a design that is one’s life.
The energy of compassion impels beings to goodness, harmony, and trust. As we live these, we experience happiness. In meditation, these can ripen and refine such that the energy of compassion reveals itself as the experience of great bliss.
Emptiness? Not much can be said; but it can be experienced.